ASTM-D7773 2012

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D7773-12 Standard Test Method for Determination of Volatile Inorganic Acids (HCl, HBr, and HNO3 ) Using Filter Sampling and Suppressed Ion Chromatography

Published By	Publication Date	Number of Pages
ASTM	2012	7

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Categories: 13.040.30 - Workplace atmospheres, ASTM

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Description

ASTM D7773-12

Historical Standard: Standard Test Method for Determination of Volatile Inorganic Acids (HCl, HBr, and HNO3 ) Using Filter Sampling and Suppressed Ion Chromatography

ASTM D7773

Scope

1.1 This test method is intended for use in the determination of the time-weighted average mass concentration of hydrogen chloride gas and hydrochloric acid mist, hydrogen bromide vapor and hydrobromic acid mist, and nitric acid vapor and mist in workplace air. The samples are collected on an alkali-impregnated quartz fiber filter and analyzed by ion chromatography. The method is also appropriate for measuring short term exposures.

1.2 This test method assumes that air samples are collected using appropriate and applicable ASTM International standards for sampling of workplace air.

1.3 The procedure is targeted for occupational and environmental hygiene monitoring purposes.

1.4 No detailed operating instructions are provided because of differences among various makes and models of suitable instruments. Instead, the analyst shall follow the instructions provided by the manufacturer of the particular instrument. This standard does not address comparative accuracy of different devices or the precision between instruments of the same make and model.

1.5 The values stated in SI units are to be regarded as the standard.

1.6 The practice contains notes, which are explanatory and not part of mandatory requirements of the standard.

1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

filter; hydrobromic acid; hydrochloric acid; ion chromatography; nitric acid; workplace air

ICS Code

ICS Number Code 13.040.30 (Workplace atmospheres)

DOI: 10.1520/D7773-12

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method
2	Significance and Use Apparatus
3	Reagents and Materials
4	Sampling Analysis
5	Calculations Quality Control Records Report Precision and Bias
6	Interferences Keywords TABLE 1 TABLE 2 TABLE 3
7	REFERENCES

Additional information

Standard Title	D7773-12 Standard Test Method for Determination of Volatile Inorganic Acids (HCl, HBr, and HNO<inf>3 </inf>) Using Filter Sampling and Suppressed Ion Chromatography
Published Code	ASTM
Publication Date	2012
Pages Count	7
ICS Codes	13.040.30 - Workplace atmospheres